Download Complexity-Aware High Efficiency Video Coding by Guilherme Corrêa, Pedro Assunção, Luciano Agostini, Luis A. PDF

By Guilherme Corrêa, Pedro Assunção, Luciano Agostini, Luis A. da Silva Cruz

This booklet discusses computational complexity of excessive potency Video Coding (HEVC) encoders with assurance extending from the research of HEVC compression potency and computational complexity to the aid and scaling of its encoding complexity. After an advent to the subject and a evaluation of the cutting-edge learn within the box, the authors supply a close research of the HEVC encoding instruments compression potency and computational complexity. Readers will take advantage of a collection of algorithms for scaling the computational complexity of HEVC encoders, all of which make the most from the flexibleness of the body partitioning constructions allowed by means of the normal. The authors additionally offer a suite of early termination equipment in accordance with info mining and computing device studying concepts, that are in a position to decrease the computational complexity required to discover the simplest body partitioning constructions. The applicability of the proposed tools is eventually exemplified with an encoding time keep watch over method that employs the simplest complexity relief and scaling equipment awarded in the course of the ebook. The tools awarded during this publication are specially priceless in power-constrained, moveable multimedia units to minimize power intake and to increase battery existence. they could even be utilized to transportable and non-portable multimedia units working in genuine time with constrained computational resources.

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Extra resources for Complexity-Aware High Efficiency Video Coding

Sample text

The encoder maintains two lists (List 0 and List 1) of reconstructed images to be used as references in the next frames. 1. P slices allow the use of only one reference picture indexed by List 0, and B slices can use up to two references indexed by both List 0 and List 1. When bi-prediction is used in B slices, the encoder computes an average of the prediction performed from List 0 and the prediction performed from List 1. 15 presents an example of four PBs in a frame, which are predicted from multiple references.

1. 2. The input bitstream is parsed and decoded by the entropy decoder, and information such as MVs, reference frame indices, intra-prediction mode and coding mode are sent to their respective modules. 2) process the quantised and transformed coefficients, respectively, generating the prediction residue that is added to the predicted samples obtained from the inter-frame or intra-frame decoding modules. e. the residue added to the predicted samples) are stored and used as references by the intra-frame or the inter-frame prediction modules.

The frame dimensions, also called as spatial resolution, can assume arbitrary values in different video signals, even though there are some predefined formats that are broadly used in industry, such as the common intermediate format (CIF), the video graphics array (VGA) and the 1080p, with 352 × 288 pixels, 640 × 480 pixels and 1920 × 1088 pixels, respectively. The higher the spatial resolution, the larger the number of pixels in it, and, consequently, the more detailed the perception of the video content.

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